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Numbering of facial landmarks in the marked positions. 0: Mentoniano, 1: UnderLipBotton, 2: UnderLipTop, 3: UpperLipBottom, 4: UpperLipTopRight, 5: UpperLipTopLeft, 6: Subnasal, 7: NoseRightAlarOutTip, 8: NoseLeftAlarOutTip, 9: EyeRightInner, 10: EyeLeftInner, 11: EyebrowRightInner e 12: EyebrowLeftInner.
